The WonderWall Barrier is a Chapter 8 compliant road safety barrier that meets the reflectivity requirements of BS EN 12899-1 and BS 8442. Supplied at a standard height of 1m, it is designed for roadside deployment and Excavation Site Protection where single-person setup, high-wind stability, and regulatory compliance are all required. The WonderWall is MIRA wind speed tested to 65.5mph without extra ballast, and 65.6mph with ballasts, making it a self-stable barrier for the majority of UK site conditions.
One person installs the WonderWall Barrier. The panel slot-in design with connection pegs removes the need for specialist tools or additional labour, and integrated forklift entry points support machine-assisted repositioning when layouts change. The compact, stackable design delivers an efficient storage and transport profile for site teams managing high volumes of barrier across multiple locations.
For sites requiring greater separation height, the Double Top Extension increases the WonderWall to 2m via a simple hook and eye connection, with no additional brackets needed. Custom colours and embossed corporate branding are available, making the WonderWall a practical choice for both compliance-driven procurement and client-facing site presentation.
Key Features and Benefits
Chapter 8, BS 8442, and BS EN 12899-1 compliant: Meets all relevant reflectivity and street works standards for temporary traffic management on public roads
Self-stable in high winds: MIRA tested to 65.5mph without extra ballast, 65.6mph with ballasts, eliminating the need for additional weighting on most UK sites
One-person installation: Panel slot-in design with connection pegs allows a single operative to set up and reconfigure the barrier line
Forklift-friendly: Integrated entry points for safe and efficient machine-assisted repositioning
Double Top compatible: Extends to 2m using hook and eye connectivity with no brackets required
Custom branding available: Corporate colours and embossed logos for site identification and client presentation
Frequently Asked Questions
Q. Does the WonderWall Barrier need extra ballast in high winds?
A. No. The WonderWall Barrier is self-stable and MIRA wind speed tested to 65.5mph without any additional ballast. With ballasts, the rating rises to 65.6mph. For most UK roadside and excavation site deployments, the standard configuration is sufficient without supplementary weighting. This simplifies deployment logistics, as there is no need to source, transport, or manage additional ballast material on site.
Q. Is the WonderWall Barrier Chapter 8 compliant?
A. Yes. The WonderWall Barrier is compliant with Chapter 8 of the Traffic Signs Manual, BS 8442, and BS EN 12899-1. Chapter 8 sets out the reflectivity and visibility standards for Temporary Traffic Management equipment used on public roads. BS EN 12899-1 is the British Standard for the performance of road traffic signs and markers, and BS 8442 covers the requirements for road traffic safety equipment. For safety officers and procurement leads, the WonderWall's triple compliance status simplifies specification and demonstrates due diligence on street works contracts.
Q. Can one person install the WonderWall Barrier?
A. Yes. The WonderWall Barrier is designed for single-person setup. The panel slot-in design with connection pegs allows one operative to install and configure the barrier line without specialist tools or additional labour. For repositioning across larger sites, integrated forklift entry points allow machine-assisted handling. The compact and stackable design means the WonderWall stores and transports efficiently, keeping logistics straightforward on projects where barriers move frequently between locations.
Get in Touch with Us
Contact Your Nearest Altrad Generation Branch to discuss the right traffic management solution for your project.
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